I had changedyou had changedhe had changedshe had changedone had changedwe had changedyou had changedthey(m) had changedthey(f) had changed

Simple future

I will changeyou will changehe will changeshe will changeone will changewe will changeyou will changethey(m) will changethey(f) will change

Future perfect

I will have changedyou will have changedhe will have changedshe will have changedone will have changedwe will have changedyou will have changedthey(m) will have changedthey(f) will have changed

Subjunctive

that + simple present

that I changethat you changethat he changesthat she changesthat one changesthat we changethat you changethat they(m) changethat they(f) change

that + simple past

that I changedthat you changedthat he changedthat she changedthat one changedthat we changedthat you changedthat they(m) changedthat they(f) changed

Conditional

Conditional I Simple

I would changeyou would changehe would changeshe would changeone would changewe would changeyou would changethey(m) would changethey(f) would change

Conditional II Simple

I would have changedyou would have changedhe would have changedshe would have changedone would have changedwe would have changedyou would have changedthey(m) would have changedthey(f) would have changed